Our themes and modules includes the plugin files, 1 year of online support and access to plugin updates. You can use them on unlimited sites(your own and clients) even after support period. You can renew your license(s) at 50% off after one year to continue to receive online support and plugin updates. You are not allowed to resell this or include this in your commercial product. In other words, you cannot sell child themes with this module. If you wish to do so, please contact us.